筛的

This is real hard work and it took more than 2 months to finish with tools such as iron hammer, manpower abrader and 100 hole/ cm2 metal screens.

这是一项很笨重的工作，所用的工具有铁锤、药碾子、100孔/厘米2金属筛，全是手工操作，用了两个多月才完成。

At first, the broth was acidified, then centrifuged to get mycelia, which was heated and powdered; finally we use acetic ether to soak the powder. After that, the phase of acetic ether was washed using the solution of ammonium sulfate and the solution of ethanedioic acid, then concentrated to gain pulps. It was crystallized at 4℃.The coarse crystals was decolorized by activated carbons, the pure needle crystal of lovastatin was obtained.

发酵液经酸化处理后，离心得到菌体，烘干后过筛得到菌粉；用乙酸乙酯浸泡，乙酸乙酯相需用(NH_4)_2SO_4溶液和草酸溶液洗涤两次；乙酸乙酯相经薄膜浓缩得到浆状物，于4℃结晶，得到粗晶体；再经粉末活性炭脱色和重结晶后得白色针状结晶，为lovastatin的纯品。

Those at risk for expo- sure to tuberculosis should be screened for infection by Mantoux skin testing with purified protein deriv- ative.

那些有暴露于结核杆菌危险的人应用纯蛋白衍生物进行Mantoux皮试以筛查感染。

Ministry of Health has announced that ASSR system is reference for threshold estimation of artificial cochlea and newborn auditory screening.

我国卫生部已经将ASSR检测作为人工耳蜗听阈检测和新生儿听力筛查的参考设备。

Sieve and fill the mixture in the caramel container, and bake in bain-marie for 30 minutes. Leave to cool. Invert to serve.

蛋液混合物过筛后，填满已加入焦糖的焗盅；隔水蒸焗约30分钟至熟，待凉，再从焗盅倒出来享用。

In addition, the staining of fibronectin were weaker in all three patterns of ACC.

此外，筛状型ACC中，有转移或复发的病例阳性表达低。

Objective To promote the application of evidence-based medicine theroy in prenatal screening test for Down's syndrome.

目的：促进循证医学理论在唐氏综合征产前筛查试验中的应用。

Dr. Lu emphasized that while results of the ROCA screening strategy are encouraging, they are not practice changing at this time.

Lu博士强调，虽然应用ROCA筛查策略的结果令人鼓舞，但当前尚无法改变实践。

Results:tertiary institutions and stable job and the crowd is the ABO blood group Rh-negative blood type and focus of the main source of strokes screen,screening targets.

结果 大专院校和固定职业人群是ABO血型和Rh阴性血型的主要来源和重点招幕、筛查对象。

In the mine of Ruashi, about 20 kilometres outside Lubumbashi, around 4,000 miners, some as young as eight, dig and sieve from dawn to dusk.

在卢本巴西外20公里左右的RUASHI矿，有大概4000名矿工，有的只有8岁大，从早到晚挖矿筛矿。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。